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International Journal of Fluid Mechanics Research
Главный редактор: Atle Jensen (open in a new tab)
Заместитель главного редактора: Valery Oliynik (open in a new tab)
Редактор-основатель: Victor T. Grinchenko (open in a new tab)

Выходит 6 номеров в год

ISSN Печать: 2152-5102

ISSN Онлайн: 2152-5110

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.1 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.0002 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.33 SJR: 0.256 SNIP: 0.49 CiteScore™:: 2.4 H-Index: 23

Indexed in

An Order of Magnitude Analysis of the Two-Phase K-ε Model

Том 22, Выпуск 3-4, 1995, pp. 21-44
DOI: 10.1615/InterJFluidMechRes.v22.i3-4.30
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Краткое описание

The objective of this paper is to derive a set of equations for modeling the statistical effects of turbulence in the context of the multidimensional two-fluid model for two-phase flows. Two-phase K-ε models based on the local instant formulation and its averaging have been developed by several authors. These models result in sets of very complicated equations including many interfacial interaction terms in addition to the phasic terms already appearing in single phase K-ε equations. The purpose of this paper is to simplify the equations of the two-phase K-ε model by performing a scale analysis analogous to Lumley's one done for turbulent single phase flows. There appear two nondimensional numbers, the turbulent Reynolds number of phase k, that was already present in the single-phase case, and another nondimensional number that represents the magnitude ratio between the interfacial interaction terms and the phasic terms pertaining to phase k. In the case of dispersed bubbly flows, we then propose a simplification of the two-phase K-ε model for dispersed bubbly flows based on an analysis of existing experimental data. We show that the dissipation rate equation can be considerably simplified.

ЦИТИРОВАНО В
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  2. Morel Christophe, Ruyer Pierre, Seiler Nathalie, Laviéville Jérôme M., Comparison of several models for multi-size bubbly flows on an adiabatic experiment, International Journal of Multiphase Flow, 36, 1, 2010. Crossref

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  4. Liao Yixiang, Lucas Dirk, Krepper Eckhard, Schmidtke Martin, Development of a generalized coalescence and breakup closure for the inhomogeneous MUSIG model, Nuclear Engineering and Design, 241, 4, 2011. Crossref

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  7. Bellakhal Ghazi, Chaibina Fathia, Chahed Jamel, Assessment of turbulence models for bubbly flows: Toward a five-equation turbulence model, Chemical Engineering Science, 220, 2020. Crossref

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  10. Khalil Ahmed, Rosso Diego, DeGroot Christopher T., Effects of flow velocity and bubble size distribution on oxygen mass transfer in bubble column reactors—A critical evaluation of the computational fluid dynamics‐population balance model, Water Environment Research, 93, 10, 2021. Crossref

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